https://flightplandatabase.com/plan/1297831 2 KGRB KMSP navaid true KGRB 44.484800 -88.129500 navaid at 20000 MAXMA 44.870700 -90.286500 navaid at 18800 VIYUR 44.891100 -91.150400 navaid true KMSP 44.881900 -93.222000